135952507 has 4 divisors (see below), whose sum is σ = 135977616. Its totient is φ = 135927400.

The previous prime is 135952501. The next prime is 135952513. The reversal of 135952507 is 705259531.

It is a happy number.

135952507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (135952501) and next prime (135952513).

It is a cyclic number.

It is not a de Polignac number, because 135952507 - 2¹⁵ = 135919739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135952501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703 + ... + 16504.

It is an arithmetic number, because the mean of its divisors is an integer number (33994404).

Almost surely, 2^135952507 is an apocalyptic number.

135952507 is a deficient number, since it is larger than the sum of its proper divisors (25109).

135952507 is an equidigital number, since it uses as much as digits as its factorization.

135952507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25108.

The product of its (nonzero) digits is 47250, while the sum is 37.

The square root of 135952507 is about 11659.8673663125. The cubic root of 135952507 is about 514.1964494579.

The spelling of 135952507 in words is "one hundred thirty-five million, nine hundred fifty-two thousand, five hundred seven".